Indu Pillaveetil Sathyadas, Anilkumar Thekkethayyil Viswanathan, Pisharody Ramdas, Russell Paul Swamidhas Sudhakar, Raju Damodaran, Sarma P Sankara, Remadevi Saradamma, Amma K R Leela Itty, Sheelamoni A, Andrade Chittaranjan
, MD, DPM, PhD, Department of Community Medicine, Government Medical College, Trivandrum, India.
, DNB, DPM, MPhil, Department of Psychiatry, Government Medical College, Trivandrum, India.
BJPsych Open. 2017 Apr 12;3(2):91-95. doi: 10.1192/bjpo.bp.116.003053. eCollection 2017 Mar.
Unidentified depression in primary care is a public health concern, globally. There is a need for brief, valid and easily administered tools in primary care.
To estimate reliability and validity of the newly developed Primary care Screening Questionnaire for Depression (PSQ4D), a four-item tool, with 'yes' or 'no' options.
PSQ4D was administered verbally (time required, <1 min) by primary care physicians to adult outpatients (=827) in six primary care settings in Kerala, India. A psychiatrist evaluated each patient on the same day, using ICD-10 Diagnostic Criteria for Research, based on unstructured clinical interview.
The Cronbach's alpha for internal consistency reliability was 0.80; kappa coefficient for test-retest reliability was 0.9 and that for interrater reliability was 0.72. At a score ≥2, sensitivity was 0.96, specificity was 0.87, positive predictive value was 0.74, negative predictive value was 0.98, positive likelihood ratio was 7.4 and negative likelihood ratio was 0.05.
When physician administered, PSQ4D has good reliability. At a cut-off score of ≥2, it has high sensitivity and specificity to identify depressive disorder in primary care.
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© The Royal College of Psychiatrists 2017. This is an open access article distributed under the terms of the Creative Commons Non-Commercial, No Derivatives (CC BY-NC-ND) license.
在全球范围内，基层医疗中未被识别的抑郁症是一个公共卫生问题。基层医疗需要简短、有效且易于使用的工具。
评估新开发的用于抑郁症的基层医疗筛查问卷（PSQ4D）的信度和效度，该问卷为四项工具，有“是”或“否”选项。
印度喀拉拉邦六个基层医疗点的基层医疗医生对成年门诊患者（=827 名）口头施测 PSQ4D（所需时间<1 分钟）。同一天，一名精神科医生根据非结构化临床访谈，使用 ICD - 10 研究用诊断标准对每位患者进行评估。
内部一致性信度的克朗巴哈系数为 0.80；重测信度的kappa 系数为 0.9，评分者间信度的 kappa 系数为 0.72。得分≥2 分时，敏感度为 0.96，特异度为 0.87，阳性预测值为 0.74，阴性预测值为 0.98，阳性似然比为 7.4，阴性似然比为 0.05。
由医生施测时，PSQ4D 具有良好的信度。在截断分数≥2 时，它在基层医疗中识别抑郁症具有高敏感度和特异度。
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© 皇家精神科医学院 2017 年。本文是一篇开放获取文章，根据知识共享非商业性、无衍生作品（CC BY - NC - ND）许可协议发布。
